Home / 75,736.80-104,430.60-62,082

Finding the Fourth Proportional to 75,736.80, 104,430.60 and 62,082

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Solution

The fourth proportional to 75,736.80, 104,430.60 and 62,082 is: 85,602.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,736.80 : 104,430.60 = 62,082 : x
  2. Step 2: Convert to fraction form
    75,736.80/104,430.60 = 62,082/x
  3. Step 3: Cross multiply
    75,736.80x = 104,430.60 × 62,082
  4. Step 4: Simplify right side
    75,736.80x = 6,483,260,509.20
  5. Step 5: Solve for x
    x = 6,483,260,509.20/75,736.80
  6. Step 6: Final answer
    x = 85,602.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.